pachydermoperiostosis

[ păk′ĭ-dûr′mō-pĕr′ē-ŏ-stō′sĭs ]

n.

A hereditary syndrome characterized by clubbing of the digits, periostosis of the long bones, and coarsening of the facial features, with thickening, furrowing, and oiliness of the skin of the face and forehead.